It has always been difficult to transport fast logic signals long distances over copper conductors. Coaxial or twisted-pair transmission lines
introduce attenuation, dispersion, ground loops, and provide an entrance point for external electrical noise. The result can be jitter, pulse
width distortion, and ultimately logic errors.

The J730 is compatible with the Highland J720 and J724 E/O Converters,
the P400 Digital Delay/Pulse Generator, the company's VME-packaged electrical/optical
converter products, and its other VME modules with optical I/O.